Question

Resuelve el sistema de ecuaciones por el método de igualación
1
{x=2y+1
{x=3y-1
2
{x-2y=5
{2x+3y=-4
ayudaaaa ​

Answer 1

Verified answer

[tex]x = 2y + 1 \: \: x = 3y - 1 \\ 2y + 1 = 3y - 1 \\ 3y - 2y = 1 + 1 \\ y = 2 \\ x = 3(2) - 1 = 6 - 1 = 5[/tex]

[tex]x - 2y = 5 \\ 2x + 3y - 4 \\ 2(x - 2y = 5) \\ 2x - 4y = 10 \\ 2x - 4y = 10 \\ ( - )2x + 3y = - 4 \\ - 7y = 14 \\ y = \frac{14}{ - 7} \\ \: [/tex]

[tex]2 \\ \blue{y = 2}[/tex]

Answer 2

[tex]\green{jamon}[/tex]